6th Class Science Changes Around us Question Bank Changes Around us

  • question_answer
    In which of the following cases is heat energy released? When ice melts When water freezes to ice When water vapour condenses into liquid water When water evaporate into water vapours

    A) A, B and C     

    B) B, C and D

    C) B and C          

    D) All of these

    Correct Answer: C

    Solution :

        Heat energy is released when water freezes to ice and when water vapour condenses into liquid water. While in melting of ice and evaporation of water heat is absorbed.


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